/*public class Main {
    public static void main(String[] args) {
        Dog dog1 = new Dog(5, "小黄", "黄色", 34);
        Dog dog2 = new Dog(4, "小白", "白色", 24);
        dog1.fight(dog2);
        dog2.fight(dog1);
    }
}*/



import java.util.Arrays;
public class Main {
    public static void main(String[] args) {
        int[][] arr = new int[5][5];
        System.out.println(Arrays.deepToString(arr));
        arr[0] = new int[6];
        arr[0][5] = 6;
        System.out.println(Arrays.deepToString(arr));
        System.out.println(Arrays.toString(arr));
    }
}



/*
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        double i = 0;
        System.out.println("英里          千米");
        System.out.println("------------------------------");
        for(i = 1; i <= n; i++) {
            System.out.print((int)i);
            System.out.print("            ");
            System.out.printf("%.2f\n", i * 1.609);
        }
    }
}*/
